Copper Washer Kit With 12 Sizes And 300 Pieces, Metric Sealing Washers Set For M5 Through M20, High Conductivity Copper, Corrosion Resistant And Heat Tolerant, Perfect For Automotive, Plumbing, And DIY Repairs
✔️ 12 sizes, 300 copper washers, M5-M20 range, sturdy case
This copper washer kit includes 12 sizes totaling 300 copper sealing washers designed to seal and spread load in threaded joints. It's ideal for automotive, plumbing, and DIY repairs, including sump plugs, brake lines, fuel and oil lines, and hydraulic fittings.
✅ 300 pieces across 12 metric sizes for broad compatibility
✅ Copper washers offer high conductivity, corrosion resistance, and heat tolerance
✅ Smooth copper surface minimizes friction and seals against leaks
✅ Includes sturdy case for organized storage and quick access
✅ Suitable for automotive, plumbing, and DIY repairs
✅ Copper is nonmagnetic and suitable for electrical connections in appliances and machinery
💡 What is a copper washer kit used for in automotive and plumbing applications? Copper washers seal joints, distribute load, and resist leaks.
- sealing joints in sump plugs, brake lines, fuel lines, hydraulic fittings
- distributes load across bolt surfaces to prevent pull-through
- corrosion resistant and heat tolerant in engine bays and plumbing